C8 size
C8: 5.7 × 8.1 cm. In inches this is about 2.244 × 3.189 in.
C8
C-series envelopes · Paper sizes
5.7 × 8.1 cm
Standard size (W × H)
Centimetres (cm)
5.7 × 8.1 cm
Millimetres (mm)
57 × 81 mm
Inches (in)
2.244 × 3.189 in
Area
46.17 cm²
Aspect ratio
1 : 1.4211
Width / height
57 / 81
Pixel size at different DPI
| DPI | Width (px) | Height (px) | Total pixels | Typical use |
|---|---|---|---|---|
| 72 DPI | 162 | 230 | 37,260 (0.0MP) | Screen display |
| 96 DPI | 215 | 306 | 65,790 (0.1MP) | Windows default |
| 150 DPI | 337 | 478 | 161,086 (0.2MP) | Standard print |
| 200 DPI | 449 | 638 | 286,462 (0.3MP) | Good print |
| 300 DPI | 673 | 957 | 644,061 (0.6MP) | High-quality print |
| 600 DPI | 1,346 | 1,913 | 2,574,898 (2.6MP) | Professional print |
C8 measures 5.7 × 8.1 cm (57 × 81 mm) and belongs to the C-series envelopes group. It is typically used for Envelopes and Cards and invitations.
C8 — C8 size
C8: 5.7 × 8.1 cm (57 × 81 mm). C-series envelopes.
In inches this is about 2.244 × 3.189 in. The footprint area is about 46.17 cm².
300 DPI: 673 × 957 px.
Common uses
C8 · FAQ
How big is C8?
C8: 5.7 × 8.1 cm (57 × 81 mm).
What is the area of C8?
The footprint area is about 46.17 cm².
Where is C8 used?
Typical uses include Envelopes, Cards and invitations, Mailings.
Tip: leave a small tolerance when printing or installing; allow 3 mm bleed on each side for print artwork.